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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-12-27 16:35:44 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-12-27 16:35:44 +0100 |
commit | 3f0bb496ee41d0eb99d308768c9f8593cbd3eb9f (patch) | |
tree | c56b697a7e818e91974d951872781bfd9b3af5b5 /tools/include/linux/math.h | |
parent | d7fbdc575b33c374ce88ccfe3ab364f7eb240f8a (diff) | |
parent | 9c33eef84e3110963d6f41d87d63bc40d716eb1f (diff) |
Merge branches 'thermal-tools' and 'thermal-int340x'
Merge tmon fix and int340x driver improvement for 5.17-rc1.
* thermal-tools:
thermal: tools: tmon: remove unneeded local variable
* thermal-int340x:
thermal: int340x: Use struct_group() for memcpy() region
Diffstat (limited to 'tools/include/linux/math.h')
-rw-r--r-- | tools/include/linux/math.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/include/linux/math.h b/tools/include/linux/math.h new file mode 100644 index 000000000000..4e7af99ec9eb --- /dev/null +++ b/tools/include/linux/math.h @@ -0,0 +1,25 @@ +#ifndef _TOOLS_MATH_H +#define _TOOLS_MATH_H + +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x, y) ((__typeof__(x))((y)-1)) +#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define round_down(x, y) ((x) & ~__round_mask(x, y)) + +#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) + +#ifndef roundup +#define roundup(x, y) ( \ +{ \ + const typeof(y) __y = y; \ + (((x) + (__y - 1)) / __y) * __y; \ +} \ +) +#endif + +#endif |